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Biology : Recent Questions and Answers (Page 82)

Find answers to your questions about Biology or help others by answering their Biology questions.

How do tumor cells 'gravitate' towards each other?

In a popular article it is mentioned that in centrifugal experiments with cancer cells thatWhen subjected to microgravity-conditions, the cancer cells were unable to sense each other...

Asked on 09/18/2020 by AtmosphericPrisonEscape

1 answer

Disproof mitochondrial eve is 6500 years old

Some creationists, such as Roger Liebi, actively exploit this article: A high observed substitution rate in the human mitochondrial DNA control region (published in...

Asked on 09/18/2020 by Smer5

1 answer

How did the Spanish Flu disappear?

In 1918 through 1920, an Influenza pandemic colloquially named the "Spanish Flu", ravaged the world. It infected about half a billion people, and killed as many as...

Asked on 09/14/2020 by Nadav Har'El

1 answer

Can viruses be reintroduced to humans from ice sheets?

A comment on reddit mockingly saybecause the ice is melting away due to global warming, this new virus came out of the melted ice sheetsIt has 60+...

Asked on 09/12/2020 by snttkwstc

1 answer

Stomata during night (respiration)

How does carbon dioxide from respiration diffuse out of the leaf during the night? Do stomata close completely during night?...

Asked on 09/09/2020 by Dalia

4 answer

Why does the sandalwood tree produce a fragrant oil?

Why do sandal trees produce fragrant oil? Is there any purpose for it? Is it to make it unpalatable for other herbivorous animals? If so, why do humans find the...

Asked on 08/31/2020 by SRaj

0 answer

Can someone help me identify this Ficus plant?

I have a bonsai with me which I grew from a seedling germinated in my backyard. It's been with me for the last 5-6 years. I definitely know its a...

Asked on 08/31/2020 by Sandeep Vattapparambil

0 answer

Cancer in cardiac cells

We were recently taught that cancer occurs only in those cells which undergo cell division so, cancer is not possible in cardiac cells and neurons.But we know that...

Asked on 08/30/2020 by Vaibhav Raj

2 answer

kcat in uncompetitive enzyme inhibition

Why doesn't $k_text{cat}$ change in uncompetitive inhibition, given the fact that uncompetitive inhibition lowers the enzyme–substrate complex efficiency (which is the reason for lowering of $V_text{max}$ as well)?...

Asked on 08/28/2020 by anshul gautam

1 answer

How do you know which organisms are keystone species?

I know that keystone species are those that play a crucial role in an ecosystem, but since all species are interdependent upon each other and each occupy their own niche,...

Asked on 08/24/2020 by city7lights

2 answer

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